Study Set Content:
Stimulation of nicotinic cholinoceptors
Nicotinic
Pyrroles injure endothelium of hepatic or pulmonary vasculature leading to venoocclusive disease and hepatic necrosis
Pyrrolizidine
Protein synthesis inhibitors leading to multiple organ system failure
Toxalbumin
Antimuscarinic
Atropa Datura Hyoscyanmus Solanum
Cardiotoxic
Adenium Digitalis Convallaria Nerium
Convulsant
Anemone Conium Laburnum Nicotinia Ranunculus
Cyanogenic
Eriobotrya Hydrangea Prunus
Dysrhythmia
Acotinum Rhododendron Veratrum
Nicotinic
Conium Laburnum Lobelia Nicotinia
Pyrrolizidine
Crotalaria Heliotropium Senecia
Toxalbumin
Abrus Ricinus
puncture skin on contact and release an irritating sap containing a mixture of formic acid, histamine, acetylcholine, and serotonin.
The trichomes, or barb-like hairs, found on stinging nettles
deploys its toxin via barbed trichomes on contact, may cause pain, itching, erythema, and vesication. Mucinain, contained in the toxin, is the proteinase responsible for causing the pruritus.
Mucuna pruriens (cowhage),
Many people have experienced allergic dermatitis, most frequently from contact with
poison ivy
Philodendron scandens (Araceae, arum amiy) and the toxicodendron group of plants, which contain ()), are all known to cause allergic dermatitis
Rhus radicans (poison ivy), Rhus diversiloba (poison oak), and Rhus vernix (poison sumac)
Rhus species, the allergen is a fat-soluble substance called()that can penetrate the stratum corneum where it then binds to Langerhans cells in the epidermis.
urushiol
Consumption of () by animals can lead to serious dermatitis and even may be life threatening.
Hypericum perforatum (St. John’s wort)
A toxic agent is () (a bianthraquinone) that, once ingested and dispersed systematically, causes photosensitization of the animal’s skin
hypericin
ALLERGIC RHINITIS (HAY FEVER) • Grass species ()() are major contributors along with pollen from several weed genera in the Asteraceae family (e.g., mugwort, Artemisia vulgaris, in Europe, and ragweed, Ambrosia sp., in North America).
Poa and Festuca
ncreased incidence of coughing when specifically handing ()().
Capsicum annuum (sweet pepper) and Capsicum frutescens (red pepper)
